Shafting for engines



Dec. 2, 1930. P. F. MocaovERNv SHAFTING FOR ENGINES Filed March 26. 1929 WEATC/oyerm Patented Dec. .2, y i Y `jf Y' i i `UNITED STATES.- PATENTQ OFFICE PETER E. MCGOVEEN, or WEEHAWKEN, NEW JERSEY 'i l Y i. i i sn.flirtrrre` Fon. ENeIYnEs' y a agpneafinmeanarch 26, 192e. serialnoissopea i l This invention relates toV improvements, Y A clutch 12is used for connecting the crank j shafting Afor engines, and more particularly to shaft to a clutch shaft 13, and this clutch may novel counter-weight means for :use with the beof any conventional construct-ien. As anshaftlng of automobileA engines. other part of my 1nvent1,on1 fixedly mount 4 5V The primary object of the invention isto upon the flywheel 14 of the"cranlf-shaft,` a. 55

provide means to balance an automobile en- Acouinter-weight 15, which preferably extends gine at all speeds,under power or otherwise.' circumferen-tially substantially '180 degrees.

A further object isY to provide the engine Eachwheel l0, le and its counter-balance crank shaft atits oppositeends with opposed weightis preferably formed as a one-piece- `10 counter-weights for theI purpose ofbala'ncing: casting'and the weights are of equal mass and 66 the engine at alll times. l Y. length; and when an lautomotiveengineis A further, object isto furnish lan automav provided Vwith a structure of this ',charactei, l tive engine in which the crank shaft is protheengine will be balancedat all speeds, nn-

vided at its ends with opposed counter.- der power or otherwise.

i' 15 weights, each of which extends substantially Y From the foregoing it isjbelievedthat the 65 i l801degrees `circumferentially of disk carconstruction, voperation and advantages of "ried by the' respective ends of the shaft. my invention may be readily understood, and Y With the foregoing objects outlined and am aware that'changesmay be made in the with other Vobjects in yiew which willV appear details disclosed, without departing from the y 2G as the description proceeds, my invention spiritv of the invention, as' expressed in the 70 consists in the novel features hereinafter declaim.`

scribed in detail, illustrated in the accom-l 4Having full described my invention, what panying drawing, and more particularly 'I claim` as new and Ydesire to secure by Letters pointed out in therappendedclaim. Patent, is:-

25 Referring to the drawing, In an automotive engine, -a crank shaft, a Figurel is an elevation",A partly in vertiseries of cylinders arranged at one side of cal section of an automobile engineand the said shaft, a series of piston'rods 'connected clutch which connects its crank shaft to the to. the crank shaft and extending into said clutch shaft. cylinders, a'fly-wheel rigidly connected to 3c Figure 2 is a transverservertical sectional one end of said shaft, a diskof substantially se view on the line 2-2 of Fig. l.` the sameV diameter as the fly-wheel, ixedly Figure 3 is a similar view'on the 'line 3-3 mountedvon the other end ofV the shaft, and A of Fig. V1. f oppositely disposed counter-weights mount- In the drawing, 1 indicates an automotive ed respectively lon said'fly-.wheel and on said 35 engine cylinder block, and 2 the crank case disk, each counter-weight being o farc-shape S5 of the same. The conventional crank shaft and extendingv circumferentially 'substanis shown at 3, and it isvmounted vin bearings tially'lSO degrees only. 4, 5, 6 and 7. Pistons, (not shown) are con- In testimony whereof, I have signed this nected .to the crankv shaftby means of conspecication.

Y' vPETERE MCGOVERN. 90

necting rods 8. Y y Y A s is usual in automotive engines, the front Y end ofrthe crank shaft extends forwardly of the crank case, and is providedy with a crank. Vreceiving clutch memberr 9, and as a part Y v ofmy present invention, a circulardisk l() y Y 95' is fixedly mounted on theforwardly projecting portion of the shaft. "As best shown vin Fig; 3, this disk carries an arc-shaped coun-- ,ter-balance weight 11, which extends circum- Y Y ferentially substantially 180 degrees. p I Y lo" 

